FR966272A - Screw and screwdriver - Google Patents
Screw and screwdriverInfo
- Publication number
- FR966272A FR966272A FR966272DA FR966272A FR 966272 A FR966272 A FR 966272A FR 966272D A FR966272D A FR 966272DA FR 966272 A FR966272 A FR 966272A
- Authority
- FR
- France
- Prior art keywords
- screwdriver
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/007—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR966272T | 1948-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR966272A true FR966272A (en) | 1950-10-05 |
Family
ID=9499830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR966272D Expired FR966272A (en) | 1948-05-04 | 1948-05-04 | Screw and screwdriver |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE487492A (en) |
FR (1) | FR966272A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025140A (en) * | 1974-08-02 | 1977-05-24 | Tula Machine Co., Inc. | Locking device for the prongs of an electrical plug |
EP0143826A1 (en) * | 1983-05-06 | 1985-06-12 | John Vaughn | Improved high torque fastener and driving tool. |
-
0
- BE BE487492D patent/BE487492A/xx unknown
-
1948
- 1948-05-04 FR FR966272D patent/FR966272A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025140A (en) * | 1974-08-02 | 1977-05-24 | Tula Machine Co., Inc. | Locking device for the prongs of an electrical plug |
EP0143826A1 (en) * | 1983-05-06 | 1985-06-12 | John Vaughn | Improved high torque fastener and driving tool. |
EP0143826A4 (en) * | 1983-05-06 | 1985-10-14 | John Vaughn | Improved high torque fastener and driving tool. |
Also Published As
Publication number | Publication date |
---|---|
BE487492A (en) |
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